TDA7429S Datasheet, PDF (11/20 Pages) STMicroelectronics – DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX

TDA7429S - TDA7429T
DATA BYTES
Address = 80(HEX)
FUNCTION SELECTION:
The first byte (subaddress)
MSB
LSB
SUBADDRESS
D7
D6
D5
D4
D3
D2
D1
D0
B
X
X
X
0
0
0
0
INPUT ATTENUATION
B
X
X
X
0
0
0
1
SURROUND & OUT & EFFECT
CONTROL
B
X
X
X
0
0
1
0
PHASE RESISTOR
B
X
X
X
0
0
1
1
BASS & NATURAL BASE
B
X
X
X
0
1
0
0
MIDDLE & TREBLE
B
X
X
X
0
1
0
1
SPEAKER ATTENUATION ”L”
B
X
X
X
0
1
1
0
SPEAKER ATTENUATION ”R”
B
X
X
X
0
1
1
1
AUX ATTENUATION ”L”
B
X
X
X
1
0
0
0
AUX ATTENUATION”R”
B
X
X
X
1
0
0
1
INPUT MULTIPLEXER, & AUX
OUT
B = 1 incremental bus; active
B = 0 no incremental bus;
X = indifferent 0,1
INPUT ATTENUATION SELECTION
MSB
LSB
INPUT ATTENUATION
D7
D6
D5
D4
D3
D2
D1
D0
X
0
0
0
X
0
0
1
X
0
1
0
X
0
1
1
X
1
0
0
X
1
0
1
X
1
1
0
X
1
1
1
X
0
0
0
0.5 dB STEPS
0
-0.5
-1
-1.5
-2
-2.5
-3
-3.5
4 dB STEPS
0
X
0
0
1
-4
X
0
1
0
-8
X
0
1
1
-12
X
1
0
0
-16
X
1
0
1
-20
X
1
1
0
-24
X
1
1
1
-28
INPUT ATTENUATION = 0 ∼ -31.5dB
D7
D6
D5
D4
D3
D2
D1
D0
REAR SWITCH
X
0
REARIN, REAROUT PIN
ACTIVE
X
1
NO REARIN, REAROUT PIN
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